Control and elimination of porcine reproductive and respiratory syndrome virus

Videos Figures Images Quizzes. Etiology and Epidemiology. Clinical Findings. Treatment and Control. Key Points. Test your knowledge. Anthrax is a zoonotic disease affecting a broad range of species. Naturally occurring infections can cause illnesses that range from an acute, highly fatal form to a less acute and less serious clinical illness that can also be fatal. Which of the following species is most likely to develop acute fatal disease with anthrax infection?

More Content. Serology and PCR. Modified-live vaccines provide partial protection. PRRS is the most costly disease of the global swine industry. Was This Page Helpful? Yes No. Streptococcal Infections in Pigs. Porcine Circovirus Diseases. The program has been relatively successful and reflects local leadership, a cooperative spirit, and a will to eliminate virus from the region.

Control and elimination of porcine reproductive and respiratory syndrome virus. N1 - Funding Information: The authors appreciate the continued support and insights from local veterinarians and producers in Stevens County.

This project could not have been conducted without their leadership and support. N2 - Porcine reproductive and respiratory syndrome virus PRRSv can have a significant economic impact on swine herds due to reproductive failure, preweaning mortality and reduced performance in growing pigs.

AB - Porcine reproductive and respiratory syndrome virus PRRSv can have a significant economic impact on swine herds due to reproductive failure, preweaning mortality and reduced performance in growing pigs.

Chapter 5 focused on PRRSv-infected growing pig populations. Growing pig populations are a major source of PRRSv dissemination within regions. The effect of an attenuated PRRSv vaccine was evaluated on shedding and generation of aerosols of a wild-type virus from an infected growing pig population raised under Minnesota's swine industry field conditions.

Further studies are needed to characterize the effect of implementation rather than recommendation of key management practices on the success of PRRSv elimination programs. There is also a need to better understand the procedures to prepare live virulent virus inoculum to expose adult animals in load-close-expose programs.

On the growing pig side, there is a need to validate other effective methods to decrease virus dissemination from infected pig sites that continue to pose a risk for neighboring pig populations, for example by inactivating PRRSv in aerosols coming out of infected pig barns. Altogether, the work presented in this thesis provided science-based information on immune management strategies to control and eliminate PRRSv infection from pig populations.

Information herein reviewed, discovered, described and discussed has direct implications to the swine industry and can assist veterinarians to choose appropriate strategies to reduce production losses and decrease PRRSv dissemination from infected pig populations. Keywords Control. Gov't, Non-P. Substances Viral Vaccines.